This is the story of a male cram school teacher (45) who brainwashes and trains his teenage students, turning them into convenient fleshlights.

He uses an aphrodisiac to train them.
Pretending that they'll help them concentrate on their studies, he gives them pills and smears them all over their bodies.
He rubs and rubs the aphrodisiac oil into Ui's L-cup breasts, making sure it reaches their core.

It worked wonders on Ui's body, which was still in its infancy but still sexually sensitive.

The friction of his clothes made her nipples erect,
and love juices began to flow from her slit without any touching.
Ui's body went crazy.
She went crazy.

And then he engaged in sexual intercourse with her.

The man was a pedophile (lolicon).
Even though he was an educator,
he treated his student as a sexual object.
He treated Yui's body, her breasts, her holes as mere tools to
vent his desires.

And Yui was pleased.
She drooled.
She spread her legs wide.
She stuck out her tongue.
She made a complete ahegao face.
She clung to his dick. She begged.

Please...
Medicine, medicine...
Dick, dick, dickoooo...
Medicine, dick
Please make it feel better, more and more, I swear!